Introduction
This document serves as the operating and instruction manual for the UNI-T UT521 Digital Earth Tester. It provides detailed information on the safe and effective use of the device, essential for professionals working with electrical installations, appliances, and lightning protection systems.
The manual covers critical aspects including safety precautions, product features, detailed technical specifications, and step-by-step guides for performing earth voltage and earth resistance measurements using both standard and simple test lead methods.
Furthermore, it includes essential information on battery replacement, cleaning, and troubleshooting, ensuring users can maintain and operate the UT521 tester with confidence. The content is presented in both English and Spanish for broader accessibility.
Key Features
- High accuracy and reliability powered by an intelligent micro-controller chip.
- Backlit LCD display for visibility in various lighting conditions.
- Data Hold and Data Storage capabilities (up to 20 sets).
- Automatic Power Off function to conserve battery life.
- Supports precision three-wire and simple two-wire measurements.
- Indicates poor connection or overload conditions.
- Double or reinforced-insulated structural design for enhanced safety.
Resources
For more information about UNI-T products, please visit the official website: UNI-T Official Website.